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import React, {useEffect} from 'react';
import {createContext, useState} from 'react';
import RNFetchBlob from 'rn-fetch-blob';
import AsyncStorage from '@react-native-community/async-storage';
import {
UserType,
ProfileType,
InstagramPostType,
ProfilePreviewType,
} from '../../types';
import {
PROFILE_INFO_ENDPOINT,
AVATAR_PHOTO_ENDPOINT,
COVER_PHOTO_ENDPOINT,
GET_IG_POSTS_ENDPOINT,
} from '../../constants';
interface AuthContextProps {
user: UserType;
profile: ProfileType;
login: (userId: string, username: string) => void;
logout: () => void;
avatar: string | null;
cover: string | null;
instaPosts: Array<InstagramPostType>;
recentSearches: Array<ProfilePreviewType>;
}
const NO_USER: UserType = {
userId: '',
username: '',
};
const NO_PROFILE: ProfileType = {
biography: '',
website: '',
name: '',
};
export const AuthContext = createContext<AuthContextProps>({
user: NO_USER,
profile: NO_PROFILE,
login: () => {},
logout: () => {},
avatar: null,
cover: null,
instaPosts: [],
recentSearches: [],
});
/**
* Authentication provider for the application.
*/
const AuthProvider: React.FC = ({children}) => {
const [user, setUser] = useState<UserType>(NO_USER);
const [profile, setProfile] = useState<ProfileType>(NO_PROFILE);
const [avatar, setAvatar] = useState<string | null>(null);
const [cover, setCover] = useState<string | null>(null);
const [instaPosts, setInstaPosts] = useState<Array<InstagramPostType>>([]);
const [recentSearches, setRecentSearches] = useState<
Array<ProfilePreviewType>
>([]);
const {userId} = user;
useEffect(() => {
if (!userId) {
return;
}
const loadProfileInfo = async () => {
try {
const response = await fetch(PROFILE_INFO_ENDPOINT + `${userId}/`, {
method: 'GET',
});
const status = response.status;
if (status === 200) {
const info = await response.json();
let {name, biography, website} = info;
setProfile({name, biography, website});
}
} catch (error) {
console.log(error);
}
};
const loadAvatar = async () => {
try {
const response = await RNFetchBlob.config({
fileCache: true,
appendExt: 'jpg',
}).fetch('GET', AVATAR_PHOTO_ENDPOINT + `${userId}/`);
const status = response.info().status;
if (status === 200) {
setAvatar(response.path());
} else {
setAvatar('');
}
} catch (error) {
console.log(error);
}
};
const loadCover = async () => {
try {
let response = await RNFetchBlob.config({
fileCache: true,
appendExt: 'jpg',
}).fetch('GET', COVER_PHOTO_ENDPOINT + `${userId}/`);
const status = response.info().status;
if (status === 200) {
setCover(response.path());
} else {
setCover('');
}
} catch (error) {
console.log(error);
}
};
const loadInstaPosts = async () => {
try {
const response = await fetch(GET_IG_POSTS_ENDPOINT + `${userId}/`, {
method: 'GET',
});
const status = response.status;
if (status === 200) {
let ig_posts = await response.json();
setInstaPosts(ig_posts);
} else {
setInstaPosts([]);
}
} catch (error) {
console.log(error);
}
};
const loadRecentlySearchedUsers = async () => {
try {
const asyncCache = await AsyncStorage.getItem(
'@recently_searched_users',
);
asyncCache != null ? setRecentSearches(JSON.parse(asyncCache)) : null;
} catch (e) {
console.log(e);
}
};
loadProfileInfo();
loadAvatar();
loadCover();
loadInstaPosts();
loadRecentlySearchedUsers();
}, [userId]);
return (
<AuthContext.Provider
value={{
user,
profile,
avatar,
cover,
instaPosts,
login: (id, username) => {
setUser({...user, userId: id, username});
},
logout: () => {
setUser(NO_USER);
},
recentSearches,
}}>
{children}
</AuthContext.Provider>
);
};
export default AuthProvider;
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